Mid Sussex Council approves 94.0% of planning applications, based on 7,819 real decisions analysed from the council’s public planning portal. The national average across all councils tracked by PlanningLens is 87.9%. Mid Sussex sits 6.1 percentage points above the national average.
Enter your postcode for a personalised approval likelihood score — based on your ward and application type.
Not all applications are treated equally. Extension types, listed building consent, and change of use applications each have very different success rates in Mid Sussex.
| Application Type | Approved | Refused | Total | Rate |
|---|---|---|---|---|
| Full | 3,340 | 255 | 3,595 | 92.9% |
| Trees | 1,463 | 42 | 1,505 | 97.2% |
| Discharge of Conditions | 1,239 | 22 | 1,261 | 98.3% |
| Certificate of Lawfulness | 447 | 44 | 491 | 91.0% |
| Other | 248 | 58 | 306 | 81.0% |
| Listed Building | 228 | 21 | 249 | 91.6% |
| Prior Approval | 190 | 22 | 212 | 89.6% |
| Change of Use | 110 | 7 | 117 | 94.0% |
| Advertisement | 82 | 1 | 83 | 98.8% |
A loft conversion in one ward can have a 90% approval rate. In the next ward, 55%. The free check tells you which side you're on.
Check My PostcodeWard-level data reveals where planning applications are most and least likely to succeed. Officers, local policies, and neighbourhood character all play a role.
| Ward | Approved | Refused | Total | Rate |
|---|---|---|---|---|
| -- | 1,838 | 116 | 1,954 | 94.1% |
| Hurstpierpoint | 544 | 43 | 587 | 92.7% |
| Lindfield | 500 | 27 | 527 | 94.9% |
| Hassocks | 426 | 33 | 459 | 92.8% |
| Crawley Down | 334 | 21 | 355 | 94.1% |
| Burgess Hill - Franklands | 305 | 22 | 327 | 93.3% |
| Copthorne And Worth | 272 | 26 | 298 | 91.3% |
| East Grinstead - Town | 284 | 14 | 298 | 95.3% |
| Haywards Heath - Franklands | 241 | 16 | 257 | 93.8% |
| East Grinstead - Imberhorne | 233 | 12 | 245 | 95.1% |
| Cuckfield, Bolney And Ansty | 212 | 24 | 236 | 89.8% |
| Lindfield Rural And High Weald | 209 | 14 | 223 | 93.7% |
| Ardingly, Balcombe And Turners Hill | 205 | 16 | 221 | 92.8% |
| East Grinstead - Ashplats | 184 | 8 | 192 | 95.8% |
| Burgess Hill - St Andrews | 176 | 12 | 188 | 93.6% |
| Burgess Hill - Victoria | 168 | 6 | 174 | 96.6% |
| Haywards Heath - Ashenground | 161 | 11 | 172 | 93.6% |
| East Grinstead - Herontye | 152 | 6 | 158 | 96.2% |
| East Grinstead - Baldwins | 146 | 5 | 151 | 96.7% |
| Burgess Hill - Dunstall | 138 | 5 | 143 | 96.5% |
| Downland Villages | 129 | 8 | 137 | 94.2% |
| Haywards Heath - Lucastes And Bolnore | 103 | 4 | 107 | 96.3% |
| Burgess Hill - Leylands | 102 | 4 | 106 | 96.2% |
| Burgess Hill - Meeds And Hammonds | 82 | 2 | 84 | 97.6% |
| Haywards Heath - Bentswood And Heath | 79 | 4 | 83 | 95.2% |
Showing top 25 of 28 wards by volume. Your Pro Report includes the full ward breakdown.
See full ward breakdown →Real residential planning decisions from Mid Sussex council. Each reference links to the council's own planning portal so you can verify the details yourself.
| Reference | Proposal | Decision |
|---|---|---|
| DM/26/0230 Hurstpierpoint | T1 Walnut - remove lowest primary limb on South side, raise crown over neighbour | Approved |
| DM/25/2999 Downland Villages | Construction of rear single-storey extension, external and internal alterations, | Approved |
| DM/25/2998 Downland Villages | Construction of rear single-storey extension, external and internal alterations, | Approved |
| DM/26/0076 East Grinstead - Imberhorne | Single Storey Extension | Refused |
| DM/26/0061 Hassocks | Part retrospective single storey dwelling | Refused |
| DM/26/0027 Ashurst Wood And East Grinstead South | Proposed part garage conversion and loft conversion with 2 front dormers and 1 r | Approved |
| DM/26/0025 Burgess Hill - Leylands | Removal of rear extension, proposed first-floor extension over existing garage, | Approved |
| DM/25/3256 Handcross And Pease Pottage | Change of use from B1 (Office) to C3 (Dwelling House), associated internal and e | Approved |
| DM/25/3255 Burgess Hill - St Andrews | Proposed pitched roof rear extension | Approved |
| DM/25/3262 East Grinstead - Ashplats | Proposed two storey side extension over existing garage. Single storey rear exte | Approved |
Find out what actually gets approved near your address first. Your Pro Report analyses the 20 nearest decisions to your property, ward-specific refusal patterns, and extension-by-extension approval patterns. Based on Mid Sussex's 7,819 real decisions. Delivered by email in minutes.
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Dig deeper into Mid Sussex's planning statistics — by ward, extension type, or project category:
Data-driven guides to help you understand planning approval patterns:
Based on 7,819 planning decisions, the overall approval rate in Mid Sussex is 94.0%. The national average across councils tracked by PlanningLens is 87.9%. However, rates vary significantly by ward and application type.
PlanningLens has analysed 7,819 planning decisions from Mid Sussex council. 7,347 were approved and 472 were refused. These figures cover decisions from January 2020 to the present.
The average approval rate in Mid Sussex is 94.0%, but outcomes depend heavily on your specific ward, the type of extension or development you are proposing, and local planning policy. Use the PlanningLens free postcode check to get a personalised score.